- CALLUM APPS LIMITEDActive - Proposal to Strike off- 08727638 - Incorporated on 10 October 2013 
- CALLUM WILLIAMSON LIMITED- SC471194 - Incorporated on 28 February 2014 
- CALLUM QUINN LIMITEDActive - Proposal to Strike off- 09009574 - Incorporated on 24 April 2014 
- CALLUM ANDERSON LIMITEDActive - Proposal to Strike off- SC525500 - Incorporated on 29 January 2016 
- CALLUM LENNON LIMITEDActive - Proposal to Strike off- 10808876 - Incorporated on 8 June 2017 
- CALLUM BLACK LIMITEDDisolved- SC617862 - Dissolved on 20 May 2025 
- CALLUM O'SULLIVAN LTDDisolved- 11862433 - Dissolved on 8 August 2023 
- CALLUM QUICK LIMITEDActive - Proposal to Strike off- 10103675 - Incorporated on 5 April 2016 
- CALLUM MOPPET LIMITEDActive - Proposal to Strike off- 11169421 - Incorporated on 25 January 2018 
- CALLUM COMPOSITES LIMITEDActive - Proposal to Strike off- 10595678 - Incorporated on 1 February 2017 
- CALLUM CONSTRUCTION LTDDisolved- 14597439 - Dissolved on 4 March 2025 
- FAST CALLUM LIMITEDDisolved- SC770821 - Dissolved on 29 October 2024 
- CALLUM ELECTRICAL LIMITEDDisolved- 15107563 - Dissolved on 4 February 2025 
- CALLUM AUTOMOTIVE LTD- 15698798 - Incorporated on 1 May 2024 
- CALLUM SIMPSON LTDDisolved- 13629057 - Dissolved on 14 March 2023 
- PHOTOS BY CALLUM LTDActive - Proposal to Strike off- SC444160 - Incorporated on 5 March 2013 
- CALLUM BROSNAN LTDActive - Proposal to Strike off- 10958906 - Incorporated on 12 September 2017 
- STEPHEN L. CALLUM LTDActive - Proposal to Strike off- 10221911 - Incorporated on 8 June 2016 
- CALLUM WILSON TM LTDDisolved- 13894860 - Dissolved on 11 July 2023 
- CALLUM DANIELS 3238 LTDActive - Proposal to Strike off- 10106496 - Incorporated on 6 April 2016